1. Numbers
  2. Compare 28387 vs 28390

Compare 28387 vs 28390

Property2838728390
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization28387121 × 51 × 171 × 1671
Prime factorization283872 × 5 × 17 × 167
Divisors count216
Divisors1, 283871, 2, 5, 10, 17, 34, 85, 167, 170, 334, 835, 1670, 2839, 5678, 14195, 28390
Number of properties60
Chen primes1503rd 
Good primes314th 
Happy primes497th 
Isolated primes2185th 
Primes3088th 
Sexy primes (1st member)908th 
Roman numberals  
Base 211011101110001121101110111001102
Base 31102221101311022211113
Base 4123232034123232124
Base 51402022514020305
Base 633523163352346
Base 714552271455257
Base 8673438673468
Base 9428419428449
Base 1028387102839010
Base 111a367111a36a11
Base 1214517121451a12
Base 13cbc813cbcb13
Base 14a4b914a4bc14
Base 15862715862a15
Base 166ee3166ee616
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